September weather forecastHancock, MI
September
Weather in September
Moving from August's warmer climate, Hancock gradually transitions into fall during September. Temperatures start to decline in preparation for the approaching winter months. The waning daylight hours and reduced sunshine mark the end of summer. There is zero snowfall in September, suggesting winter is still a distance away. Lower temperatures are notable, with a 6.1°F (-14.4°C) decline from the August, indicating the arrival of the fall season.Temperature
With the onset of September, Hancock's average high-temperature slightly adjusts, moderately receding from August's agreeable 70.3°F (21.3°C) to a refreshing 64.2°F (17.9°C). During September, Hancock observes a consistent average nighttime temperature of 52.3°F (11.3°C).Humidity
In September, the average relative humidity is 78%.Rainfall
In Hancock, in September, during 14.4 rainfall days, 1.65" (42mm) of precipitation is typically accumulated. Throughout the year, there are 123.4 rainfall days, and 21.1" (536mm) of precipitation is accumulated.Snowfall
June through September are months without snowfall.Daylight
The average length of the day in September is 12h and 32min.On the first day of September, sunrise is at 7:14 am and sunset at 8:33 pm. On the last day of the month, sunrise is at 7:52 am and sunset at 7:35 pm EDT.
Sunshine
In Hancock, the average sunshine in September is 7.5h.UV index
In Hancock, the average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for ordinary individuals.Note: The daily high UV index of 4 during September translates into the following recommendations:
Safety measures are advised. Light-skinned individuals may experience burns in under half an hour. Direct Sun exposure should be minimized especially during midday when radiation is most intense. Enhance your sun protection with tightly woven, yet airy clothing.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Hancock, MI
- Average high temperature in September: 64.2°F
The warmest month (with the highest average high temperature) is August (70.3°F).
The month with the lowest average high temperature is January (22.5°F).
- Average low temperature in September: 52.3°F
The month with the highest average low temperature is August (57.6°F).
The coldest months (with the lowest average low temperature) are January and February (15.1°F).
Average pressure in September
Hancock, MI
- Average pressure in September: 29.99"Hg
The month with the highest atmospheric pressure is March (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in September
Hancock, MI
- Average wind speed in September: 9.2mph
The windiest month (with the highest average wind speed) is January (12.1mph).
The calmest month (with the lowest average wind speed) is June (7.5mph).
Average humidity in September
Hancock, MI
- Average humidity in September: 78%
The months with the highest relative humidity are January and February (87%).
The month with the lowest relative humidity is May (73%).
Average rainfall in September
Hancock, MI
- Average rainfall in September: 1.65"
The wettest month (with the highest rainfall) is October (2.28").
The driest months (with the least rainfall) are January, February and March (1.3").
Average rainfall days in September
Hancock, MI
- Average rainfall days in September: 14.4 days
The months with the highest number of rainy days are September and October (14.4 days).
The month with the least rainy days is January (3.1 days).
Average snowfall in September
Hancock, MI
- Average snowfall in September: 0"
The month with the highest snowfall is December (7.87").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Hancock, MI
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (23.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Hancock, MI
- Average daylight in September: 12h and 30min
The month with the longest days is June (Average daylight: 15h and 48min).
The month with the shortest days is December (Average daylight: 8h and 36min).
- Average sunshine in September: 7h and 30min
The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 1h and 30min).
Average sunshine days in September
Hancock, MI
- Average sunshine days in September: 13.6 days
The month with the most sunshine days is July (15.6 days).
The month with the least sunshine days is January (5.3 days).
Average UV index in September
Hancock, MI
- Average UV index in September: 4
The months with the highest UV index are July and August (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 1).
Average cloud cover in September
Hancock, MI
- Average cloud cover in September: 38
The month with the most cloud cover is January (Cloud cover 86).
The month with the least cloud cover is July (Cloud cover 30).
Average visibility in September
Hancock, MI
- Average visibility in September: 6mi
The months with the highest visibility are March, April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February and December (5mi).
